Engineering Safer Traffic Systems
M&X Engineering helps agencies, developers, and transportation partners make informed roadway decisions through practical analysis, planning support, and safety-focused engineering.
Our Story
Built for Clear Guidance
M&X Engineering is a PANYNJ-certified MBE firm providing transportation planning and traffic engineering services throughout the New York metropolitan area. The firm specializes in providing high quality of traffic design, engineering support, traffic analysis and simulation.
As a co-founder and principal, Stephen Mao, PE, brings over 20 years of experience in traffic and highway design. His expertise includes airport roadway and frontage design, MPT design, roadside safety appurtenance design, traffic signal design, and traffic signage and pavement marking design.
As a co-founder and principal, Cheng Xu, PE, PTOE, also brings 20 years of experience in transportation planning and traffic engineering. His specialties include traffic analysis, traffic simulation, construction traffic assessment and mitigation, and traffic data collection management.

How We Work
Our approach is grounded in technical rigor, practical communication, and a commitment to roadway safety at every stage of a project.

01
Analyze Conditions
We evaluate traffic patterns, site access, operational performance, and roadway context to identify the factors that matter most.
02
Guide Decisions
We translate technical analysis into clear recommendations for agencies, developers, and project teams.


03
Support Delivery
From concept through review, we help clients navigate transportation requirements with responsive consulting and dependable documentation.
A Team That Listens
M&X Engineering brings together analytical thinking, project coordination, and a service mindset to support transportation projects with confidence.

Focused on turning traffic data into practical recommendations for project teams and reviewing agencies.

Dedicated to identifying risk factors and supporting safer outcomes for drivers, pedestrians, and communities.

Helping clients align transportation needs with development goals, public processes, and long-term mobility planning.

Committed to responsive communication, dependable deliverables, and collaborative problem solving from start to finish.
Mission
Practical Insight for Better Roads
We believe strong traffic engineering starts with understanding how people, places, and transportation systems interact in the real world.
That means combining careful analysis with recommendations that are clear, actionable, and aligned with project goals. Whether the work involves a traffic study, roadway safety review, or planning coordination, our role is to help clients make decisions with confidence.
We aim to deliver engineering guidance that is technically sound, easy to understand, and built around safer transportation outcomes.
M&X Engineering
By staying responsive and detail-oriented, we help project teams move from questions to solutions with less friction and better visibility into what comes next.
Next Step
Letโs Talk About Your Project
If you need traffic engineering support for a municipal, development, or transportation initiative, M&X Engineering is ready to help.
